Similar products are very common in developed countries and are called sneakers in Europe and America. Known as slimming shoes in Hong Kong; Children's corrective shoes and healthy shoes in Taiwan Province Province are the most popular in Japan. Health Times sponsored by People's Daily (2007-0 1-0 1 0): According to the report of the Nihon Keizai Shimbun, a functional shoe with toes higher than heels appeared in the Japanese market recently, which can exercise the legs and stomach indoors. When you put it on, your toes are raised and your body's center of gravity immediately leans back. In order to maintain balance, we have to mobilize the strength of the calf, that is, gastrocnemius muscle, so that the muscles of the back and back of the calf that are usually inactive can be exercised, especially for patients with low back pain and knee pain. After use, it received rave reviews.